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70	70	* Pulse meter application
71	71	* Dry Contact Detection
72	72
73		-
74	74	== **1.6 Mechanical** ==
75	75
76	76	​[[image:image-20221021110415-3.png]]
...	...	@@ -102,7 +102,6 @@
102	102
103	103	Press to reboot the device.
104	104
105		-== ==
106	106
107	107	=== **1.7.5 LED** ===
108	108
...	...	@@ -117,24 +117,27 @@
117	117
118	118	== **2.1  How it works** ==
119	119
120		-The CPN01 is equipped with a NB-IoT module, the pre-loaded firmware in CPN01 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by CPN01.
	118	+The CPN01 is equipped with an NB-IoT module, the pre-loaded firmware in CPN01 will get **Open/Close Event or Count** from sensor and send the value to the NB-IoT network. The NB-IoT network will forward this value to IoT server via the protocol defined by CPN01.
121	121
122		-The diagram below shows the working flow in default firmware of CPN01:
	120	+The diagram below shows the working flow in the default firmware of CPN01:
123	123
124	124	[[image:image-20221021110615-5.png]]
125	125
126		-== **2.2 ​ Configure the CPN01** ==
127	127
	125	+== **2.2 ​ Configure CPN01** ==
	126	+
128	128	=== **2.2.1 Test Requirement** ===
129	129
130		-To use CPN01 in your city, make sure meet below requirements:
	129	+To use CPN01 in your city, make sure to meet below requirements:
131	131
132		-* Your local operator has already distributed a NB-IoT Network there.
	131	+* Your local operator has already distributed an NB-IoT Network.
133	133	* The local NB-IoT network used the band that CPN01 supports.
134	134	* Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
135	135
136		-Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The CPN01 will use CoAP(120.24.4.116:5683) or raw UDP(120.24.4.116:5601) or MQTT(120.24.4.116:1883)or TCP(120.24.4.116:5600)protocol to send data to the test server
	135	+Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The CPN01 will use CoAP(120.24.4.116:5683) or raw UDP(120.24.4.116:5601) or MQTT(120.24.4.116:1883)or TCP(120.24.4.116:5600)protocol to send data to the test server.
137	137
	137	+[[image:image-20221023000439-3.png]]
	138	+
138	138	​
139	139
140	140	=== **2.2.2 Insert SIM card** ===
...	...	@@ -141,10 +141,11 @@
141	141
142	142	Insert the NB-IoT Card get from your provider.
143	143
144		-User need to take out the NB-IoT module and insert the SIM card like below:
	145	+User needs to take out the NB-IoT module and insert the SIM card like below:
145	145
146	146	[[image:image-20221021110745-6.png]] ​
147	147
	149	+
148	148	=== **2.2.3 Connect USB – TTL to CPN01 to configure it** ===
149	149
150	150	User need to configure CPN01 via serial port to set the **Server Address** / **Uplink Topic** to define where and how-to uplink packets. CPN01 support AT Commands, user can use a USB to TTL adapter to connect to CPN01 and use AT Commands to configure it, as below.
...	...	@@ -165,10 +165,13 @@
165	165	* Parity:  **None**
166	166	* Flow Control: **None**
167	167
168		-Make sure the switch is in FLASH position, then power on device by connecting the jumper on CPN01. CPN01 will output system info once power on as below, we can enter the **password: 12345678** to access AT Command input.
	170	+Make sure the switch is in FLASH position, then power on CPN01 by connecting the (% style="color:yellow" %)**Yellow Jumper**(%%).
169	169
170	170	​[[image:image-20221021110817-7.png]]
171	171
	174	+CPN01 will output system info once powered on as below, we can enter the **password: 12345678** to access AT Command input.
	175	+
	176	+
172	172	**Note: the valid AT Commands can be found at:  **[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
173	173
174	174	=== **2.2.4 Use CoAP protocol to uplink data** ===